Technology

FP1451

TIMING WAVEFORM

H

L

H

L

Dead Time 100%

0 V

0.6 V

H

L

0 V

3.6 V

tpe

2.8 V TYP

Power Supply Voltage

Short-Circuit Protection

Comparator Output

Protection Enable

Terminal Waveform

Output Transistor Collector

Waveform

PWM Comparator Output Voltage

Comparator Input Voltage

Short-Circuit Protection

Dead-Time Input Voltage

Error Amplifier Output

Oscillator Triangle Waveform

1.6 V

2.0 V

1.4 V

1.25 V

FP1451 Timing Diagram

Protection Enable Time, tpe = (0.047 * 10E6 * Cpe) in seconds

Rev0.5 Apr. 01, 2004

P11/FP1451